Package org.apache.calcite.test

Class MockSqlOperatorTable.DedupFunction

java.lang.Object

org.apache.calcite.sql.SqlOperator

org.apache.calcite.sql.SqlFunction

org.apache.calcite.test.MockSqlOperatorTable.DedupFunction

All Implemented Interfaces:

SqlTableFunction

Enclosing class:

MockSqlOperatorTable

public static class MockSqlOperatorTable.DedupFunction
extends SqlFunction
implements SqlTableFunction

"DEDUP" user-defined table function.

Field Summary

Fields inherited from class org.apache.calcite.sql.SqlOperator

kind, MDX_PRECEDENCE, NL

Constructor Summary

Constructors

Constructor	Description
DedupFunction()

Method Summary

Modifier and Type	Method	Description
SqlReturnTypeInference	getRowTypeInference()	Returns the record type of the table yielded by this function when applied to given arguments.

Methods inherited from class org.apache.calcite.sql.SqlFunction

deriveType, getFunctionType, getNameAsId, getParamNames, getParamTypes, getSqlIdentifier, getSyntax, isQuantifierAllowed, unparse, validateCall, validateQuantifier

Methods inherited from class org.apache.calcite.sql.SqlOperator

acceptCall, acceptCall, adjustType, allowsFraming, argumentMustBeScalar, checkOperandCount, checkOperandTypes, constructArgNameList, constructArgTypeList, constructOperandList, createCall, createCall, createCall, createCall, createCall, createCall, createCall, deriveOperandType, equals, getAllowedSignatures, getAllowedSignatures, getKind, getLeftPrec, getMonotonicity, getMonotonicity, getName, getOperandCountRange, getOperandTypeChecker, getOperandTypeInference, getReturnTypeInference, getRightPrec, getSignatureTemplate, getStrongPolicyInference, hashCode, inferReturnType, inferReturnType, isAggregator, isDeterministic, isDynamicFunction, isGroup, isGroupAuxiliary, isName, isSymmetrical, leftPrec, not, preValidateCall, requiresDecimalExpansion, requiresOrder, requiresOver, reverse, rewriteCall, rightPrec, toString, unparseListClause, unparseListClause, validateOperands, validRexOperands

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.calcite.sql.SqlTableFunction

tableCharacteristic

Constructor Details

DedupFunction

public DedupFunction()

Method Details

getRowTypeInference

public SqlReturnTypeInference getRowTypeInference()

Description copied from interface: SqlTableFunction

Returns the record type of the table yielded by this function when applied to given arguments. Only literal arguments are passed, non-literal are replaced with default values (null, 0, false, etc).

Specified by:

getRowTypeInference in interface SqlTableFunction

Returns:

strategy to infer the row type of a call to this function